Second seed Nadal will face Italy's Stefano Travaglia in the round of 32. The latter survived a five-set thriller against Japan's Nishikori Kei to advance 6-4, 2-6, 7-6 (7), 4-6, 6-2.
With the result, Hoffenheim capture the top spot with two wins from two games whereas Bayern Munich slip to the 7th position after suffering their first loss in 2020.
The swimmers' performances at the championships will act as an important reference for their qualification for next year's Tokyo Olympic Games. Enditem
"I really wanted to give an effort here. It's my Achilles that didn't have enough to properly heal after the [US] Open. I was able to get it somewhat better, but just looking long-term in this tournament, will I be able to get through enough matches? For me, I don't think I could," said the three-time Roland Garros champion.
Icardi opened the scoring for PSG in the ninth minute which was set up by Mbappe after an impressive long dribble. It was the first goal since February for the Argentinean, who recently took over the number nine jersey from the departed Edinson Cavani.
"I will be competing for the first time since running under two hours at the INEOS 1:59 Challenge. I'm happy to race with the dominant athletes, that is how the sport is and should be treated like that. Competition makes the sport beautiful," he added.
The Latvian had been knocked out at the first round in 2018 and 2019. She will play Spain's Paula Badosa in the third round.
"We are exhausted," the 32-year-old Pole said after the Bavarian lost 4-1 in Hoffenheim.
"I further direct the Ministry to resume preparation processes towards the Olympic and Paralympic Games and to engage with our local sports associations on how Kenyan athletes can resume competing in sporting events abroad," Kenyatta said.
The Slovak will face Argentinian qualifier and world No. 131 Nadia Podoroska for a spot in the round of 16.
Ranking fourth in the preliminary heat, Olympic champion Ye Shiwen failed to advance to the final of the women's 400m individual medley, as she failed to make the top eight in the physical tests, according to a new rule of the championships.